[mythtv-users] cheap ($250) HD component video capture..

Chris Ribe chrisribe at gmail.com
Sat Oct 27 15:31:09 UTC 2007


On 10/26/07, Jerry Rubinow <jerrymr at gmail.com> wrote:
>
> On 10/26/07, Chris Ribe <chrisribe at gmail.com> wrote:
> >
> >
> > >
> > > Is your core 2 duo six times faster than your PIII?  There are
> > > anywhere from six to nine times the pixels to deal with, depending on
> > > what resolution you were recording SDTV at..
> >
> > Actually, my math says there are 5.3 - 6 times as many pixels in an HD
> frame
> > than a 720x480 SD one.
>
> But aren't the HD pixels bigger than the SD pixels (24-bits vs
> 8-bits?), or do both get digitized to the same size?



As far as analog capture is concerned, you can sample at whatever color
depth you like, but 8bits per channel is pretty standard for HD and SD
alike.

-chris

-- 
TV/IT Engineer
WCJB-TV Gainesville, FL
(352) 416 0648
cribe at wcjb.com
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